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SIMATIC WinCC flexible

" Fatal ERROR [Location:Exception occured in : Smart.HMITag, Reason: Object reference not set to an instance of an object.]. "

Thread Starter: siam   Started: 8/18/2012 9:57 AM   Replies: 1

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  8/18/2012, 9:57 AM
siam
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Dear All,

We are using WinCC Flex 2008 SP2 Update3. We developed the program for KTP600 Mono PN device.We are getting the following error. 

" Fatal ERROR [Location:Exception occured in : Smart.HMITag, Reason: Object reference not set to an instance of an object.]. "

Pls reply to resolve this issue.
Thanks a Lot!



=== Edited by O_Moderator @ 8/20/2012 10:22 AM [GMT ] ===
new subject after splitting from S7-1200 Error during downloading
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  8/19/2012, 10:34 AM
fbelic
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Greetings

You can try to delete the offending tag, then create a new one and make a proper connection to PLC.

Other than that, you can try to use Options -> Delete Temporary Files.

Best regards
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